"echo" "-e" $((0))
"echo" "-e" $((1))
"echo" "-e" $((42))
"echo" "-e" $((1 + ((4 + 6) * 3)))
"echo" "-e" $((8 - (3 % 2)))
"echo" "-e" $((-9 - 9))
"echo" "-e" $(((2 + 8) / 3))
"echo" "-e" $((2 == 2))
"echo" "-e" $((6 != 8))
"echo" "-e" $((3 > 2))
"echo" "-e" $((4 < 5))
"echo" "-e" $((6 >= 2))
"echo" "-e" $((19 <= 30))
"echo" "-e" $((!1))
"echo" "-e" $((!0))
"echo" "-e" $((!(2 - 1)))
